Consolidated Statements Of Income - USD ($) shares in Thousands, $ in Thousands		12 Months Ended
		Jun. 30, 2019		Jun. 30, 2018		Jun. 30, 2017
Income Statement [Abstract]
Net Sales	[1],[2]	$ 1,307,787		$ 1,222,925		$ 1,201,842
Cost of Sales		981,589		919,419		883,062
Gross Profit		326,198		303,506		318,780
Selling, General and Administrative Expenses		149,811		129,906		125,635
Change in Contingent Consideration		(16,180)		2,052		1,156
Restructuring and Impairment Charges		1,643		0		0
Multiemployer Pension Settlement and Related Costs		0		0		17,635
Operating Income	[1]	190,924		171,548		174,354
Other, Net		4,618		2,655		1,162
Income Before Income Taxes		195,542		174,203		175,516
Taxes Based on Income		44,993		38,889		60,202
Net Income		$ 150,549	[3],[4]	$ 135,314	[5]	$ 115,314
Net Income Per Common Share:
Basic (in dollars per share)		$ 5.48		$ 4.93		$ 4.21
Diluted (in dollars per share)		$ 5.46	[3],[4],[6]	$ 4.92	[5],[6]	$ 4.20
Weighted Average Common Shares Outstanding:
Basic (in shares)		27,438		27,403		27,376
Diluted (in shares)		27,537		27,459		27,440

[1] All intercompany transactions have been eliminated.

[2] Net sales and long-lived assets are predominately domestic.

[3] Included in the fourth quarter and fiscal year net income were after-tax ERP expenses of $1.4 million, or approximately $0.05 per diluted share, and after-tax restructuring and impairment charges of $1.3 million, or approximately $0.05 per diluted share.

[4] Included in the second quarter and fourth quarter net income was an after-tax benefit of $7.4 million and $5.7 million, respectively, or approximately $0.27 and $0.21 per diluted share, respectively, related to the reduction in the fair value of Angelic’s contingent consideration liability. The after-tax benefit for the fiscal year was $13.1 million, or approximately $0.48 per diluted share.

[5] Included in the second quarter net income was the one-time preliminary deferred tax benefit of $8.9 million, or approximately $0.32 per diluted share, resulting from the Tax Act. The fiscal year impact was $9.5 million, or approximately $0.35 per diluted share.

[6] Diluted net income per common share amounts are calculated independently for each of the quarters presented. Accordingly, the sum of the quarterly net income per common share amounts may not agree with the fiscal year.